<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>菜鸟教程(runoob.com)</title>
<style>
p
{
	border-style:dotted solid;
}
</style>
</head>

<body>
<p>两个不同的边界样式。</p>
</body>
</html>
<!--border-style:dotted solid double dashed;
上边框是 dotted
右边框是 solid
底边框是 double
左边框是 dashed

border-style:dotted solid double;
上边框是 dotted
左、右边框是 solid
底边框是 double

border-style:dotted solid;
上、底边框是 dotted
右、左边框是 solid

border-style:dotted;
四面边框是 dotted-->